Down syndrome is a genetic condition caused when an unusual cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome. The term "syndrome" refers to a set of symptoms that tend to happen together.
With a syndrome, there is a pattern of differences or problems. The condition is ... Reye's syndrome is rare. The condition also is known as Reye syndrome.
syndrome d'arlequin, Symptoms such as confusion, seizures and loss of consciousness need emergency treatment. Early diagnosis and treatment of Reye's syndrome can save a child's life. Aspirin has been linked with Reye's syndrome in children or teenagers who have the flu or chickenpox. Living with wolff-Parkinson-White (WPW) syndrome? Connect with others like you for support and answers to your questions in the Heart Rhythm Conditions support group on Mayo Clinic Connect, a patient community.
syndrome d'arlequin, Marfan syndrome is a genetic disorder that causes people to have unusually long arms, legs and fingers. Your doctor may want to measure your arm span if he or she thinks you might have the disorder. Overview Long QT syndrome (LQTS) is a heart rhythm disorder that causes fast, chaotic heartbeats. The irregular heartbeats can be life-threatening. LQTS affects the electrical signals that travel through the heart and cause it to beat. Some people are born with changes in DNA that cause long QT syndrome.
This is known as congenital long QT syndrome. LQTS also can happen later in life due to ... Chronic exertional compartment syndrome is an exercise-induced muscle and nerve condition that causes pain, swelling and sometimes disability in the affected muscles of the legs or arms. Anyone can develop the condition, but it's more common in young adult runners and athletes who participate in activities that involve repetitive impact.
